From CloudModding OoT Wiki
ovl_Bg_Mjin is the warp pad actor. It's notable for the so called "Ocarina Pedestal" that spawns in Zora's Fountain.
CBA680 - The list of object dependencies for the medallion textures starts here. Changing this order likely changes the actor variable's settings. Values are: 0062 0063 0064 0065 0066 0067